Hydrocarbon burner



Patented Een 20, 1927.

Unirse stares earner Lesage? EDOUARD LABELLE, or MONTREAL, QUEBEC, canapa.

HYDRO cannon Brianna.

Application filed January 24, 1927. Serial No.' 163,245.

Al further Objectis te provide. a burner of theclassstated which will assist the oil in its passage towards the difchargefend or nozzle of the burner by heating the fuel rand,

assisting the flow thereof. l l n In thedrawings which snow one embod1- ment of my invention, l provide passage-1 way for crude oil in the form of a tube surrounded by an annular passageway for steam or such like fluid which is supplied to the burner under pressure from a source not shown. The steam in its passage draws a quantity of the oil through perfor-ations formed in the wall of the oil feed tube which is provided with a cap having a perforated flange through which the'mixture passes to the final mixing chamber formed in the dome shaped nozzle. A recess or chamber is formed in the cap and means are provided to guide alsmall quantity of the mixture from the annular passageway directly intok the linal mixing chamber,

In the drawings y Figure 1 is a side sectional elevation show ing my improved burner.

Figure 2 is an end ysectional elevation taken on the line 2 2 Figure 1. y

Figure 3 is an end sectional elevation taken on the line 3-3 Figure 1.

Figure 4 is an end sectional elevation on the line l-t Figure 1.

Referring more particularly to the drawings, 11 designates a T piece of `special formation having -two inlets 12 and 13 and taken two outlets 141 and 15, one positioned withinv the other. The out-let 14 is in direct'communication with the inlet 12 while the out` let 15 communicates with theinlet 1.3,.,` rThe outlet 111 is internally threaded to receivethe end16 of thel pipe 17, which extends Outwardly from said T piece toward a furnace (not shown). threaded to receive the end .18 of the pipe 19, the inner wall of which is spaced from nular passageway 20 surrounding the last The outlet 15 is internallyV mentioned pipe. The end21 of the pipe 17 1s externally threaded to receive, an' internally threaded hollow .sleeve the walls of; which have radially disposed perforations 23 Vformed therein. Surrounding' said sleeve and having its inner wall spaced fromthe other wall of the sleeve is the nipple 24, one

en d of which is internally .threaded to recelve the end1 25 ofthe pipe 19.` The other end of the nipple is reduced to receive the open end of a dome shaped nozzle @Shaving an outlet or slot 27 formed in its closed or dome shaped end 28. Screwedinto orotherwise attached to the sleeve is they fuel pipe f cap haring :an outwardly extending flange 30, havingpeforations 3l, formed therein y to allow fuel to pass directly from thejpreliminary mixing chamber 32 formed between the .sleeve and the nipple, into the final mixing chamber 33 formed between the flange and the inner wall of the dome shaped nozzle. The outerV edge ofsaid flange contacts with the inner wall of the nozzle. Formed in the end ofthe cap is the recess 34, the open end of which is positioned in the fina-l mixing chamber. Radially disposed holes 35 formed in the cap behind the flange form a communication or passageway between the preliminary mixing chamber and the recess Iso that a small quantity of the mixture will flow into said recess and cause a circulation of the fluid within the recess and the final mixing chamber to further atomize the mixture before it passes through the slot to the furnace. y

In operation, crude Oil is fed into the burner through the inlet 12 and the pipe 17. Air or steam under pressure is fed into the device through the inlet 13 and passes along the annular chamber surrounding the fuel pipe. In my preferred formk steam or preheated air to be fedinto said chamber as the heat given out therefrom will tend to in- 4crease the iiow of the oil and also assist in rthe sleever into the preliminary mixing cham. ber where' a `partial atomizing and mixing takes place.; The Oil is then `driven through the apertures in the flange Of the cap into the iinal mixing chamber. A smallquantity of the partially atomized mixture is `driven :through the apertures in the cap walls into the outer wall of the pipe 17 forming an anthe recess formed therein. This flow through the wall of the cap being at right. angles to the main flow through the lange causes a circulating and mixing action in proximity to, Within, and through the recess and the circulating tuel When submitted to the force ot the incoming fluid causes complete atomization of the mixture which is sprayed into the furnace. Il`he length of piping maybe varied to suit existing conditions with re gard to the furnace. Other modications may be made Without departing from the l claim is l. A hydrocarbon burner comprising an oil supply pipe, an atomizing fluid supply` pipe, a sleeve secured to the end ot the oil supply pipe, a nipple secured to the end ol' "the fluid supply pipe, a cap secured to the end of the sleeve, a dome shaped nozzle secured to the end ot' the nipple, and provided With a slotted outlet at its closed end, a flange carried by and extending at right angles to the longitudinal axis of the cap and spaced from the tip of the dome shaped nozzle to provide an intervening inal mixing chamber, there being apertures formed in said flange to establish communication be tween said linal mixing chamber and a preliminary mixing chamber reserved between the Walls of the nipple and sleeve, said sleeve having radial perforations iorined in the Wall thereol to allovv oil to iiow therefrom Q. A burner according to claim l, in which the communication between the recess and the preliminary mixing chamber comprises a plurality of apertures formed inthe WallV or" the cap and positioned at right angles to the main `fuel supply channels through the flange ot the cap.

` ln Witness whereof, l have hereunto set my hand.` Y

EDOUARD LABELLE. 

